#include<iostream>
using namespace std;
int main()
{
	int m;
	cin >> m;
	double b = 27 + 23 + m / 3.0;
	double w = m / 1.2;
	if (b == w)
	{
		cout << "All";
	}
	else if (b > w)
	{
		cout << "Walk";
	}
	else
	{
		cout <<"Bike";
	}
	return 0;
}